OKIROI — ORC Rating | RegattaPages

GPH

740.5

OSN

716.5

LOA

9.37 m

Displacement

4011 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.541

Medium

0.7394

High

0.8625

Triple Offshore

Low

0.6978

Medium

0.9201

High

1.0367

Boat Specifications

Dimensions

Length overall: 9.37 m
Beam: 3.22 m
Draft: 1.75 m
Displacement: 4011 kg
Crew weight: 450 kg
Wetted surface: 20.21 m²

Sails

Mainsail: 19.12 m²
Genoa: 20.95 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 51.93 m²

Design

Type: FIRST 305
Builder: BENETEAU
Designer: BERRET
Year built: 1986

Velocity Prediction

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.

6,44,3.878556,52,4.28,60,4.51,75,4.64,90,4.74,110,4.78,120,4.61,135,4.14,144.9,3.740147,150,3.53
8,42.3,4.650967,52,5.16,60,5.39,75,5.54,90,5.75,110,5.81,120,5.64,135,5.18,145.9,4.709802,150,4.51
10,41,5.154301,52,5.74,60,5.94,75,6.09,90,6.32,110,6.38,120,6.29,135,5.98,146,5.524478,150,5.29
12,40,5.521873,52,6.08,60,6.24,75,6.39,90,6.62,110,6.71,120,6.65,135,6.43,147.2,6.031646,150,5.85
14,39,5.72608,52,6.29,60,6.44,75,6.59,90,6.82,110,6.98,120,6.94,135,6.74,150,6.23,169.1,5.539948
16,38.6,5.83478,52,6.42,60,6.57,75,6.75,90,6.96,110,7.22,120,7.21,135,7.01,150,6.51,177.7,5.954797
20,38.8,5.863951,52,6.49,60,6.7,75,6.98,90,7.11,110,7.69,120,7.8,135,7.57,150,6.93,179,6.571001
24,40,5.848225,52,6.48,60,6.71,75,7.09,90,7.36,110,7.97,120,8.42,135,8.27,150,7.36,179,6.991065

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.28	4.51	4.64	4.74	4.78	4.61	4.14	3.53
8	5.16	5.39	5.54	5.75	5.81	5.64	5.18	4.51
10	5.74	5.94	6.09	6.32	6.38	6.29	5.98	5.29
12	6.08	6.24	6.39	6.62	6.71	6.65	6.43	5.85
14	6.29	6.44	6.59	6.82	6.98	6.94	6.74	6.23
16	6.42	6.57	6.75	6.96	7.22	7.21	7.01	6.51
20	6.49	6.7	6.98	7.11	7.69	7.8	7.57	6.93
24	6.48	6.71	7.09	7.36	7.97	8.42	8.27	7.36

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44°	2.79	144.9°	3.06
8	42.3°	3.44	145.9°	3.9
10	41°	3.89	146°	4.58
12	40°	4.23	147.2°	5.07
14	39°	4.45	169.1°	5.44
16	38.6°	4.56	177.7°	5.95
20	38.8°	4.57	179°	6.57
24	40°	4.48	179°	6.99

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